Portion of a watch



FIG. 1 is a top plan view of a portion of a watch showing my new design;

FIG. 2 is a side elevational view thereof with the other side being a mirror image;

FIG. 3 is an end elevational view of one end thereof;

FIG. 4 is an end elevational view of the other end thereof opposite that of FIG. 3; and,

FIG. 5 is a perspective view thereof.

The broken line showing of the remainder of the watch including the bottom and the band is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a watch, as shown and described. 